According to description of Catalan Encyclopedia
 
1- Relative or pertaining to the mechanics.
 
2-Finger of the device or the system whose operation can be explained exclusively by the laws of the classical mechanics, due to the fact that there are no electrical, hydraulic, etc. phenomena. Transmission, amplification, mechanics.
 
3-Worker who mounts, repairs, etc., machines.
 
4-Study of the machines and their construction and operation.
 
5-How it works, acts, routines, a mechanism, a complicated thing.